1 /* 2 * OMAP5 boot 3 * 4 * Copyright (C) 2015 Paul Kocialkowski <contact@paulk.fr> 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9 #include <common.h> 10 #include <asm/io.h> 11 #include <asm/omap_common.h> 12 #include <spl.h> 13 14 static u32 boot_devices[] = { 15 #if defined(CONFIG_DRA7XX) 16 BOOT_DEVICE_MMC2, 17 BOOT_DEVICE_NAND, 18 BOOT_DEVICE_MMC1, 19 BOOT_DEVICE_SATA, 20 BOOT_DEVICE_XIP, 21 BOOT_DEVICE_XIP, 22 BOOT_DEVICE_SPI, 23 BOOT_DEVICE_SPI, 24 #else 25 BOOT_DEVICE_MMC2, 26 BOOT_DEVICE_NAND, 27 BOOT_DEVICE_MMC1, 28 BOOT_DEVICE_SATA, 29 BOOT_DEVICE_XIP, 30 BOOT_DEVICE_MMC2, 31 BOOT_DEVICE_XIPWAIT, 32 #endif 33 }; 34 35 u32 omap_sys_boot_device(void) 36 { 37 u32 sys_boot; 38 39 /* Grab the first 4 bits of the status register for SYS_BOOT. */ 40 sys_boot = readl((u32 *) (*ctrl)->control_status) & ((1 << 4) - 1); 41 42 if (sys_boot >= (sizeof(boot_devices) / sizeof(u32))) 43 return BOOT_DEVICE_NONE; 44 45 return boot_devices[sys_boot]; 46 } 47